Nelson, Stephen L., author
Elex Media Komputindo , 1996
Buku Teks
Olinsky, Sheryl, author
Prentice-Hall, 1998
Buku Teks
Gralla, Preston, author
Que Publishing, 1999
Buku Teks
McGraw-Hill , 1996
Buku Teks
Bradley, Phil, author
Library Association, 2002
Buku Teks